Problem with Cakescript

any time i try to join my friend’s server the character menu shows up. however, i can place my name and job but i cannot choose my model essential to complete the process. any time i try this error message displays.

vgui/DModelPanel.lua:69: bad argument #1 to ‘ClientsideModel’ (string expected, got table) I’ve done ALOT to try and fix it. still doesn’t work. PLEASE offer suggestions.